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Finding the Fourth Proportional to 72,847.79, 109,336.58 and 37,333.29

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Solution

The fourth proportional to 72,847.79, 109,336.58 and 37,333.29 is: 56,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,847.79 : 109,336.58 = 37,333.29 : x
  2. Step 2: Convert to fraction form
    72,847.79/109,336.58 = 37,333.29/x
  3. Step 3: Cross multiply
    72,847.79x = 109,336.58 × 37,333.29
  4. Step 4: Simplify right side
    72,847.79x = 4,081,894,248.75
  5. Step 5: Solve for x
    x = 4,081,894,248.75/72,847.79
  6. Step 6: Final answer
    x = 56,033.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.